Christopher Millar

Christopher Millar serves as CEO at Gatekeeper Security. Gatekeeper Security operates in the security & investigations sector with approximately 21.0 employees. The company is headquartered in Sterling, Virginia. Gatekeeper Security generates annual revenue of 6000000.0.

Industry & Role Insights

• • MessageCEO tracks 844 executives in the security & investigations sector.
• • 1,666 executive contacts are available in Virginia.
• • Our database includes 201,469 c suite-level executives.

Outlook Microsoft Office 365 DigitalOcean DNS Made Easy Google translate widget YouTube iCIMS Google Tag Manager reCAPTCHA WordPress.org Multilingual Google translate API Mobile Friendly Apache Google Analytics Nginx Wistia Remote

x-ray inspection radiation detection optical inspection threat detection contraband detection cargo screening vehicle inspection high-energy imaging dual-energy technology z backscatter smart security intelligent detection border security event security military applications customs enforcement steel contamination monitoring area monitoring handheld detection portable radiation detectors under vehicle inspection facial recognition license plate recognition container code reading qr code scanning rfid technology image analytics artificial intelligence machine learning training programs field service support managed services cargo & passenger screening air cargo inspection rail cargo security pallet inspection event safety security solutions integrated systems detection technologies critical infrastructure industrial monitoring customized solutions safety compliance emergency response security personnel training technological innovations security checkpoints data analytics strategic inspections information technology & services

JF

Jose Francisco Co-CEO at 2045 - Empresa de Segurança, S.A.

MP

Miguel Pinho Co-CEO at 2045 - Empresa de Segurança, S.A.

JN

Johan Nykvist CEO at 2Secure AB

JC

Jamie Catania CEO & Practice Lead, Collision Reconstruction at '-30- Forensic Engineering

BB

Bill Benson CEO at 360 Advanced Security Corporation

Outreach Guidance — security & investigations Sector

Executives like Christopher Millar in the security & investigations sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at Gatekeeper Security.

Christopher Millar's Position in the MessageCEO Database

• •Christopher Millar is 1 of 1 verified executive contact we track at Gatekeeper Security.
• •828 verified executive contacts in security & investigations are in the MessageCEO database.
• •1,626 verified executive contacts in Virginia are in the database.
• •10 verified contacts work at security & investigations companies in the 21.0 employee range (same size as Gatekeeper Security).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Christopher Millar directly?

Christopher Millar's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Gatekeeper Security. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Christopher Millar work for?

Christopher Millar is CEO at Gatekeeper Security, a company in the security & investigations sector with 21.0 employees. The company is based in Sterling, Virginia.

Can I pitch or sell to Christopher Millar?

As CEO at Gatekeeper Security, Christopher Millar is a key decision-maker in the security & investigations sector. MessageCEO Pro gives you verified email to reach Christopher Millar directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Christopher Millar in?

Christopher Millar works in the security & investigations industry as CEO at Gatekeeper Security. MessageCEO provides verified contact information for executives across all major industries.

Is Christopher Millar's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Christopher Millar's profile is kept up-to-date with the latest available information.

Last updated: July 21, 2026